Starting and stopping measuring operations
10.4 Starting and stopping measuring operations
In addition to starting / stopping a cyclic measuring operation by means of the
Start / Stop keys or via the interface (see Manual 6.6) there are several
other methods, e.g. start time and end time, fixed measuring period, or limit
value actions.
Once a measuring operation has started (LED ´START´ lights up) no
programming is permitted. Similarly, once a measuring operation
has started, sensors must not be exchanged; a sensor connected in
mid-operation will not be recognized or evaluated.
The function ´Measuring start´ gives access to menu ´Settings´ > ´Data log-
ger 3/4´; here the ´Start mode´ can be set as manual or by start time. (see
10.4.1) To have the maximum / minimum / average values of all measuring
channels deleted each time a measuring operation is started, this can activated
in the next line (default). The ´Stop mode´ similarly can be set as manual or by
stop time or after a fixed measuring period. (see 10.4.2). To start / stop a
measuring operation as the result of a limit value infringement, ´Limit value
actions´ (s. 13.2.8) must be called up or the trigger variants listed in Chapter
13.5.2.
As soon as a measuring operation starts, the data logger display changes.
LED´s :
o START
o REC
o COM
Status Measuring operation in save-to-memory cycle | Scan mode
Measuring operation running since start time | Actual measuring duration since start
A measuring operation without memory activation will be as follows:
LED´s :
o START
o COM
Once-only output / saving of all measuring channels
A once-only, manual measuring channel scan to acquire the current measured
values from all active measuring channels (see Manual 6.5.1.1) can be per-
formed by pressing the key Manual . The results will be saved if the memory is
activated per scan cycle or per output cycle,
LEDs ´START´, ´REC´, ´COM´ light up briefly just once.
ALMEMO
®
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